Hacking Secret Ciphers with Python



Download free course Hacking Secret Ciphers with Python, pdf file on 442 pages by Al Sweigart.
There are many books that teach beginners how to write secret messages using ciphers. There are a couple books that teach beginners how to hack ciphers. As far as I can tell, there are no books to teach beginners how to write programs to hack ciphers. This book fills that gap.

This book is for complete beginners who do not know anything about encryption, hacking, or cryptography. The ciphers in this book (except for the RSA cipher in the last chapter) are all centuries old, and modern computers now have the computational power to hack their encrypted messages. No modern organization or individuals use these ciphers anymore. As such, there's no reasonable context in which you could get into legal trouble for the information in this book.

Table of contents

  • Making Paper Cryptography Tools
  • Downloading and Installing Python
  • The Interactive Shell
  • String and Writing Programs
  • The Reverse Cipher
  • The Caesar Cipher
  • Hacking the Caesar Cipher with the Brute Force Technique
  • The Transposition Cipher, Encrypting
  • The Transposition Cipher, Decrypting
  • Programming a Program to Test Our Program
  • Encrypting and Decrypting Files
  • Detecting English Programmatically
  • Hacking the Transposition Cipher
  • Modular Arithmetic and the Multiplicative Cipher
  • The Affine Cipher
  • Hacking the Affine Cipher
  • The Simple Substitution Cipher
  • Hacking the Simple Substitution Cipher
  • The Vigenère Cipher
  • Frequency Analysis
  • Hacking the Vigenère Cipher
  • The One-Time Pad Cipher
  • Finding Prime Numbers
  • Public Key Cryptography and the RSA Cipher
Pages : 442
Size : 3.9 MB
File type : PDF
Downloads: 236
Created: 2022-02-02
License: CC BY-NC-SA
Author(s): Al Sweigart
Hacking Secret Ciphers with Python

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